Wtórny układ powietrza — nieprawidłowy przepływ (VAG)
P1415B
ŚredniSecondary Air System — Fault (BMW)
OBD-II (EN): Secondary Air Injection System Malfunction
Code P1415B — Secondary Air System — Fault (BMW). Symptoms: check engine light. Possible cause: faulty secondary air pump. Professional diagnosis recommended.
Symptoms
Check engine light, loud secondary air pump operation after cold start
Possible causes
Faulty secondary air pump, faulty switching valve (relay/solenoid), clogged hoses, stuck check valve
Affected systems
Related codes
Układ wtórnego powietrza (SAI) — usterka
Universal version
This code has a universal OBD-II form:
P1415Układ wtrysku powietrza wtórnego (AIR) – bank 1 – usterka działania obwodu pompy powietrza.Code P1415B appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Tags and synonyms
Does code P1415B require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.
